.^==†$&&&&                                          &&&&$†==^.
.^==†$&###                                          ###&$†==^.
.^==†$&###                                          ###&$†==^.
.^==†$&###                                          ###&$†==^.
.==†$&####                                          ####&$†==.
...^==††&#                  rails                   #&††==^...
....==†$##                                          ##$†==....
.^==†$$$##                                          ##$$$†==^.
...^=††$## &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& ##$††=^...
.^==†$&###                                          ###&$†==^.
....^=†$$& &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& &$$†=^....
....===$##                                          ##$===....
.^==†$&###                                          ###&$†==^.
.^==†$&### trains  are  so  constructed  that  they ###&$†==^.
.^==†$&### have  to follow a set path. this path is ###&$†==^.
.^==†$&### called a "railway",  which  is comprised ###&$†==^.
.^=†$&#### of two  metal rails, hence its nickname. ####&$†=^.
......^=†&                                          &†=^......
.^==†$&### because  the low  friction  between  the ###&$†==^.
.^==†$&### wheels of the train and the  rail metal, ###&$†==^.
.^==†$#### there are limits for  how  acute a curve ####$†==^.
.^===†$&&# can be,  and even  more  so for how much #&&$†===^.
.^===†††&& the   ground  under  the  rails  can  be &&†††===^.
.^==†$&### sloped. thus a railway  is often not led ###&$†==^.
.^==†$&### on top of hills, rather through them  in ###&$†==^.
.....=†$$& tunnels   (if   they   are  large),   or &$$†=.....
....^=$&&#            artificial chasms.            #&&$=^....
.^==†$&###                                          ###&$†==^.
.^==†$&### there will  be trees on the side  of the ###&$†==^.
.^==†$&### rails, but not too  close, or they  will ###&$†==^.
......==†& be  cut  down by the  railway  janitors. &†==......
.^==†††††& there  will  be  plains,  and bodies  of &†††††==^.
.^==†$&&&&                  water.                  &&&&$†==^.
.^==†$####                                          ####$†==^.
.^==†$&### trains  go by day  and by  night.  along ###&$†==^.
.^==†$&###       the way, there is information      ###&$†==^.
..^===†$&# scattered, often  put on  top  of poles, #&$†===^..
.....^=$$# to  be interpreted by the train drivers. #$$=^.....
.^==†$&### different  parts  of  the  railway  have ###&$†==^.
.^^====†&#          different speed limits.         #&†====^^.
.^==†$&###                                          ###&$†==^.
.^==†$&### sometimes, trains have  to stop and wait ###&$†==^.
......==†& for  something to happen, far away. this &†==......
.^=====†$& is  signaled  by  red  or green  lights. &$†=====^.
.^==†$&###                                          ###&$†==^.
.^==†$####                 &&&&&&&&                 ####$†==^.
.^==†$&###                                          ###&$†==^.
.^==†$&### many people  follow the  rails by  foot. ###&$†==^.
.^===††&## often  this  proves  to  be  the shorter ##&††===^.
....^=†$&# path  between two  points.  however this #&$†=^....
.^==$&#### is   frowned  upon,  and  very  impolite ####&$==^.
...==††$&#        toward the train drivers!         #&$††==...
....^==$$#                                          #$$==^....
......=†&#                                          #&†=......
..^===††&&                                          &&††===^..
.^==†$&###                                          ###&$†==^.
......==†&                                          &†==......
...^^==††&                                          &††==^^...